If x = 2 sin20, y = 2 cos20 + 1
then find the value of x + y
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Answer:
2√2cos(25)
Step-by-step explanation:
x + y = 2(sin20 + cos 20) + 1
= 2 * 2 * sin(90/2) * cos(-50/2)
= 2√2cos(25)
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